戊烯酸 的英文怎麼說
中文拼音 [wùxīsuān]
戊烯酸
英文
pentenoicacid
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烯 :
名詞[化學] (有機化合物的一類) alkene; olefince
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酸 :
酸構詞成分。
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烯酸 :
olefin acid
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Tao feng changzhou chemical company located in the jiangsu international plastics city, is in changzhou city, the river additives ltd. and jurong city tao reagent production plant product sales window, the major products : toluene, pure benzene, xylene, n - octanol, ethyl acetate, acetic acid small fat, silicone oil, aniline, poly - succinimide, benzene triazole derivatives, isopropanolamine, ethanolamine, alkylation two aniline, scale inhibitor, promoting agents, antioxidants, ppd, defoamer, metal deactivator, hx - 3308 scale and corrosion inhibitor, hx03 - 12 diesel flow improver, parathion octyl - zinc chloride bridge acid, chlorine bridge anhydride, chlorobenzene, double - dicyclopentadiene, norbornene anhydride
常州濤峰化工有限公司座落在江蘇國際塑化城,是常州市夏溪助劑有限公司和句容市龍濤試劑廠生產的產品的銷售窗口,主要經營產品:甲苯、純苯、二甲苯、辛醇、乙
酸乙脂、乙
酸丁脂、硅油、二苯胺、雙聚丁二酰亞胺、苯三唑衍生物、異丙醇胺、乙醇胺、烷基二苯胺、防垢劑、促進劑、抗氧劑、降凝劑、消泡劑、金屬鈍化劑、 hx - 3308阻垢緩蝕劑、 hx03 - 12柴油流動改進劑、硫磷丁辛基鋅鹽、氯橋
酸、氯橋
酸酐、氯苯、雙聚環
戊二
烯、降冰片
烯二
酸酐等。
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A novel ring - enlargement oxidation of polyphenyl substituted cyclopentadienes in air ( or molecular oxygen ) promoted by perchloric acid was described, in which an oxygen atom was inserted into the cyclopentadiene - ring, forming a six - membered pyrylium salts
摘要報導了空氣(或氧氣)存在的條件下,由高氯
酸引發多苯基取代環
戊二
烯發生新穎的碳碳鍵斷裂擴環反應,在此反應中,氧原子插人到環
戊二
烯環中形成相應的六元環吡喃鹽類化合物。
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We specialize in chemical material s, including 1, 4 - butanediol, tetrahydrofuran, ptmeg, polyvinyl alcohol series, sodium diacetate, glacial acetic acid, dibutyl phthalate, methyl acetate, ethyl acetate, n - butyl acetate, - butyrolactone, polyvinyl acetate emulsion series, pentaerythritol, redispersible emulsion, anhydrous sodium acetate and methanol
公司主要經營的產品有: 1 , 4 -丁二醇,四氫呋喃, ptmeg ,聚乙
烯醇系列,雙乙
酸鈉,冰醋
酸,鄰苯二甲
酸二丁酯,醋
酸甲酯,醋
酸乙酯,醋
酸丁酯, -丁內酯,白乳膠系列,季
戊四醇,可再分散性乳膠,無水醋
酸鈉,甲醇。
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A polyaniline / polyisoprene composite film with permselectivity was synthesized by electrochemical method for the first time, which can determine selectively h2o2 in the presence of electroactive interferent ascorbic acid
採用電化學方法首次制備了具有特殊滲透選擇性的聚苯胺/聚異
戊二
烯復合膜,它能在抗壞血
酸存在下讓過氧化氫選擇透過。
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Ppsa and tkta are the key genes in central metabolism of aromatic amino acids biosynthesis. ppsa encoding phosphoenolpyrucate synthetase a ( ppsa ) which catalyzes pyruvate into pep ; tkta encoding transketolase a which plays a major role in erythrose - 4 - phosphate ( e4p ) production of pentose pathway
Ppsa基因編碼磷
酸烯醇式丙酮
酸合成酶a ( ppsa ) ,該酶催化丙酮
酸合成磷
酸烯醇式丙酮
酸; tkta基因編碼轉酮酶a ,該酶在磷
酸戊糖途徑中生成4 -磷
酸赤蘚糖起主要作用。
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It was confirmed that the key enzyme of coq10 synthesis is p - hydroxybenzoate polyprenyltransferase, encoded by gene ubia in e. coli and lacks specificity to the aggregation length of its substrate ( polyisoprenyl pyrophosphate ). if gene ubia can be introduced into psb and is high expression in psb, a recombinant strain producing coq10 could be obtained. consequently, the productive cost will decrease sharply
業已證實coq _ ( 10 )生物合成的關鍵酶為對羥基苯甲
酸聚異
戊二
烯焦磷
酸轉移酶(在大腸桿菌中該酶由ubia基因編碼) ,該類酶對底物聚異
戊二
烯焦磷
酸( ppp )的聚合長度並無特殊要求。
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Resistance would be developed when the activities of any of these three enzymes are increased. the three insecticide target - sites are acetylcholinesterase ( ache ) for organophosphate and carbamate insecticides, voltage - gated sodium channels : knockdown resistance ( kdr or kdr - type ) for ddt & pyrethroids and y - aminobutyric acid ( gaba ) receptors for cyclodienes
殺蟲劑的作用靶標主要有:有機磷和氨基甲
酸酯殺蟲劑的作用靶標?乙酰膽堿酯酶; ddt和擬除蟲菊酯類殺蟲劑的作用靶標?神經軸突鈉離子通道;環
戊二
烯類和吡唑類等殺蟲劑的作用靶標? -氨基丁
酸( gaba )受體-氯離子通道復合體。
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Study on synthesis of food flavor 4 - pentenoic acid
戊烯酸的合成研究